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#define MOZ_NEEDS_MEMMOVABLE_TYPE __attribute__((annotate("moz_needs_memmovable_type")))
template<class T>
class MOZ_NEEDS_MEMMOVABLE_TYPE Mover { T mForceInst; }; // expected-error-re 9 {{Cannot instantiate 'Mover<{{.*}}>' with non-memmovable template argument '{{.*}}'}}
namespace std {
// In theory defining things in std:: like this invokes undefined
// behavior, but in practice it's good enough for this test case.
template<class C> class basic_string { // expected-note 2 {{'std::basic_string<char>' is a non-memmove()able type because it is an stl-provided type not guaranteed to be memmove-able}} expected-note {{'std::string' (aka 'basic_string<char>') is a non-memmove()able type because it is an stl-provided type not guaranteed to be memmove-able}}
public:
basic_string();
basic_string(const basic_string&);
basic_string(basic_string&&);
basic_string& operator=(const basic_string&);
basic_string& operator=(basic_string&&);
~basic_string();
};
typedef basic_string<char> string;
template<class T, class U> class pair { T mT; U mU; }; // expected-note-re 4 {{'std::pair<bool, {{.*}}>' is a non-memmove()able type because it has a template argument non-memmove()able type '{{.*}}'}}
struct has_nontrivial_dtor { // expected-note 2 {{'std::has_nontrivial_dtor' is a non-memmove()able type because it is an stl-provided type not guaranteed to be memmove-able}}
has_nontrivial_dtor() = default;
~has_nontrivial_dtor();
};
struct has_nontrivial_copy { // expected-note 2 {{'std::has_nontrivial_copy' is a non-memmove()able type because it is an stl-provided type not guaranteed to be memmove-able}}
has_nontrivial_copy() = default;
has_nontrivial_copy(const has_nontrivial_copy&);
has_nontrivial_copy& operator=(const has_nontrivial_copy&);
};
struct has_nontrivial_move { // expected-note 2 {{'std::has_nontrivial_move' is a non-memmove()able type because it is an stl-provided type not guaranteed to be memmove-able}}
has_nontrivial_move() = default;
has_nontrivial_move(const has_nontrivial_move&);
has_nontrivial_move& operator=(const has_nontrivial_move&);
};
struct has_trivial_dtor {
has_trivial_dtor() = default;
~has_trivial_dtor() = default;
};
struct has_trivial_copy {
has_trivial_copy() = default;
has_trivial_copy(const has_trivial_copy&) = default;
has_trivial_copy& operator=(const has_trivial_copy&) = default;
};
struct has_trivial_move {
has_trivial_move() = default;
has_trivial_move(const has_trivial_move&) = default;
has_trivial_move& operator=(const has_trivial_move&) = default;
};
}
class HasString { std::string m; }; // expected-note {{'HasString' is a non-memmove()able type because member 'm' is a non-memmove()able type 'std::string' (aka 'basic_string<char>')}}
static Mover<std::string> bad; // expected-note-re {{instantiation of 'Mover<std::basic_string<char>{{ ?}}>' requested here}}
static Mover<HasString> bad_mem; // expected-note {{instantiation of 'Mover<HasString>' requested here}}
static Mover<std::pair<bool, int>> good;
static Mover<std::pair<bool, std::string>> not_good; // expected-note-re {{instantiation of 'Mover<std::pair<bool, std::basic_string<char>{{ ?}}>{{ ?}}>' requested here}}
static Mover<std::has_nontrivial_dtor> nontrivial_dtor; // expected-note {{instantiation of 'Mover<std::has_nontrivial_dtor>' requested here}}
static Mover<std::has_nontrivial_copy> nontrivial_copy; // expected-note {{instantiation of 'Mover<std::has_nontrivial_copy>' requested here}}
static Mover<std::has_nontrivial_move> nontrivial_move; // expected-note {{instantiation of 'Mover<std::has_nontrivial_move>' requested here}}
static Mover<std::has_trivial_dtor> trivial_dtor;
static Mover<std::has_trivial_copy> trivial_copy;
static Mover<std::has_trivial_move> trivial_move;
static Mover<std::pair<bool, std::has_nontrivial_dtor>> pair_nontrivial_dtor; // expected-note {{instantiation of 'Mover<std::pair<bool, std::has_nontrivial_dtor>>' requested here}}
static Mover<std::pair<bool, std::has_nontrivial_copy>> pair_nontrivial_copy; // expected-note {{instantiation of 'Mover<std::pair<bool, std::has_nontrivial_copy>>' requested here}}
static Mover<std::pair<bool, std::has_nontrivial_move>> pair_nontrivial_move; // expected-note {{instantiation of 'Mover<std::pair<bool, std::has_nontrivial_move>>' requested here}}
static Mover<std::pair<bool, std::has_trivial_dtor>> pair_trivial_dtor;
static Mover<std::pair<bool, std::has_trivial_copy>> pair_trivial_copy;
static Mover<std::pair<bool, std::has_trivial_move>> pair_trivial_move;